internal/rosa: early toybox variant

This is a variant of toybox with unfinished tools enabled, for artifacts that will end up in a dependency loop without them.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/python.go

@@ -35,6 +35,9 @@ func (t Toolchain) newPython() pkg.Artifact {
 	}
 	return t.New("python-"+version, 0, []pkg.Artifact{
 		t.Load(Make),
+		t.Load(Gawk),
+		t.Load(Coreutils),
+
 		t.Load(Zlib),
 		t.Load(Libffi),
 	}, nil, []string{